Patchwork [074/147] target-s390: Convert STORE REVERSED

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Submitter Richard Henderson
Date Sept. 28, 2012, 12:07 a.m.
Message ID <1348790836-25862-1-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/187595/
State New
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Richard Henderson - Sept. 28, 2012, 12:07 a.m.
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-s390x/insn-data.def |  4 ++++
 target-s390x/translate.c   | 34 ++++++++++++++++++++++++----------
 2 files changed, 28 insertions(+), 10 deletions(-)

Patch

diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 1ee0d42..fa3ee00 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -420,6 +420,10 @@ 
     C(0xe370, STHY,    RXY_a, LD,  r1_o, a2, 0, 0, st16, 0)
 /* STORE HALFWORD RELATIVE LONG */
     C(0xc407, STHRL,   RIL_b, GIE, r1_o, ri2, 0, 0, st16, 0)
+/* STORE REVERSED */
+    C(0xe33f, STRVH,   RXY_a, Z,   la2, r1_16u, new, m1_16, rev16, 0)
+    C(0xe33e, STRV,    RXY_a, Z,   la2, r1_32u, new, m1_32, rev32, 0)
+    C(0xe32f, STRVG,   RXY_a, Z,   la2, r1_o, new, m1_64, rev64, 0)
 
 /* STORE FPC */
     C(0xb29c, STFPC,   S,     Z,   0, a2, new, m2_32, efpc, 0)
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 468c8ea..4757713 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1005,7 +1005,6 @@  static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1,
                      int x2, int b2, int d2)
 {
     TCGv_i64 addr, tmp2;
-    TCGv_i32 tmp32_1;
 
     LOG_DISAS("disas_e3: op 0x%x r1 %d x2 %d b2 %d d2 %d\n",
               op, r1, x2, b2, d2);
@@ -1018,15 +1017,6 @@  static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1,
         store_reg(r1, tmp2);
         tcg_temp_free_i64(tmp2);
         break;
-    case 0x3e: /* STRV R1,D2(X2,B2) [RXY] */
-        tmp32_1 = load_reg32(r1);
-        tmp2 = tcg_temp_new_i64();
-        tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
-        tcg_gen_extu_i32_i64(tmp2, tmp32_1);
-        tcg_temp_free_i32(tmp32_1);
-        tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
-        tcg_temp_free_i64(tmp2);
-        break;
     default:
         LOG_DISAS("illegal e3 operation 0x%x\n", op);
         gen_illegal_opcode(s);
@@ -3738,6 +3728,12 @@  static void in1_la1(DisasContext *s, DisasFields *f, DisasOps *o)
     o->addr1 = get_address(s, 0, get_field(f, b1), get_field(f, d1));
 }
 
+static void in1_la2(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+    int x2 = have_field(f, x2) ? get_field(f, x2) : 0;
+    o->addr1 = get_address(s, x2, get_field(f, b2), get_field(f, d2));
+}
+
 static void in1_m1_8u(DisasContext *s, DisasFields *f, DisasOps *o)
 {
     in1_la1(s, f, o);
@@ -3783,6 +3779,24 @@  static void in1_m1_64(DisasContext *s, DisasFields *f, DisasOps *o)
 /* ====================================================================== */
 /* The "INput 2" generators.  These load the second operand to an insn.  */
 
+static void in2_r1_o(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+    o->in2 = regs[get_field(f, r1)];
+    o->g_in2 = true;
+}
+
+static void in2_r1_16u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+    o->in2 = tcg_temp_new_i64();
+    tcg_gen_ext16u_i64(o->in2, regs[get_field(f, r1)]);
+}
+
+static void in2_r1_32u(DisasContext *s, DisasFields *f, DisasOps *o)
+{
+    o->in2 = tcg_temp_new_i64();
+    tcg_gen_ext32u_i64(o->in2, regs[get_field(f, r1)]);
+}
+
 static void in2_r2(DisasContext *s, DisasFields *f, DisasOps *o)
 {
     o->in2 = load_reg(get_field(f, r2));